• fantode,
• oxitone,
• padtone,
• pallonne,
• pantyle,
• pannoncel,
• xanthte,
• xantihne,
• xantoma,
• cantone,
• cantione,
• Cantyne,
• Laktone,
• pannosee,
• pannoe,
• -panton,
• pasnton,
• pantoon,
• pattonce,
• patoncee

• penton,
• pandion,
• pantomimer,
• Ponton,
• pantingly,
• pantomime,
• panting,
• Panton,
• pantheon,
• pantano.

The adjective form of the word "Pantone" is "Pantone". It does not change when used as an adjective.

The plural form of "Pantone" is "Pantone colors" or "Pantone swatches".

The singular form of the word "Pantone" is still "Pantone". The word does not change in its singular form. It is a proper noun that refers to a company known for its color matching system used in various industries, so it remains the same whether in singular or plural usage.